12/20/2012 - Firefighters wait to begin attacking a blaze that engulfed a building during a live-fire training exercise at Eglin Air Force Base, Fla., Dec. 13. The building used for the training was scheduled to be demolished Dec. 19. (U.S. Air Force photo/Samuel King Jr.)

12/20/2012 - A firefighter uses a propane flame-thrower to light the fire inside a building prior to a structural live-fire training exercise at Eglin Air Force Base, Fla., Dec. 13. The building used for the training was scheduled to be demolished Dec. 19. (U.S. Air Force photo/Samuel King Jr.)

12/20/2012 - Firefighters watch as the fire spreads up to the ceiling during a structural live-fire training exercise at Eglin Air Force Base, Fla., Dec. 13. The building used for the training was scheduled to be demolished Dec. 19. (U.S. Air Force photo/Samuel King Jr.)

12/20/2012 - Firefighters battle a blaze through a window during a live-fire training exercise at Eglin Air Force Base, Fla., Dec. 13. The building used for the training was scheduled to be demolished Dec. 19. (U.S. Air Force photo/Samuel King Jr.)

12/20/2012 - Firefighters spray down the ceiling as the Fire Chief Mark Giuliano orders everyone out of the building during a live-fire training exercise at Eglin Air Force Base, Fla., Dec. 13. The building used for the training was scheduled to be demolished Dec. 19. (U.S. Air Force photo/Samuel King Jr.)

12/20/2012 - A firefighter with the 96th Civil Engineer Squadron, sprays down the roof of a building during a structural live-fire training exercise at Eglin Air Force Base, Fla., Dec. 13. The building used for the training was scheduled to be demolished Dec. 19. (U.S. Air Force photo/Samuel King Jr.)

12/20/2012 - Firefighters move in to battle a blaze inside a building as water mists down on them from a fire truck during a live-fire training exercise at Eglin Air Force Base, Fla., Dec. 13. The building used for the training was scheduled to be demolished Dec. 19. (U.S. Air Force photo/Samuel King Jr.)

12/20/2012 - A firefighter eyes the corner of a building as another sprays down an additional side of the roof during a structural live-fire training exercise at Eglin Air Force Base, Fla., Dec. 13. The building used for the training was scheduled to be demolished Dec. 19. (U.S. Air Force photo/Samuel King Jr.)